CDIA - Exam 1 (chpt 1-3) 2025
Questions and Answers
speech - ANSWER✔✔-Sounds the mouth makes to produce words
language - ANSWER✔✔--Symbol set used to communicate meaning
-Usually verbal, written, or sign
cognition - ANSWER✔✔-ability to process thought
attention - ANSWER✔✔-ability to hold focus on stimuli
vigilence - ANSWER✔✔-ability to stay alert
sustained attention - ANSWER✔✔-ability to hold attention on aisngle stimulus
selective attention - ANSWER✔✔-ability to hold attention to a stimulus while ignoring
competing stimuli
alternating attention - ANSWER✔✔-ability to alternate attention back and forth beween
stimuli
divided attention - ANSWER✔✔-attending to one stimulus while simultaneously
attending to another
working memory - ANSWER✔✔-ability to hold finite amount of information for
immediate processing and manipulation
short-term memory - ANSWER✔✔-retention of information for 30 seconds up to a few
hours
long-term memory - ANSWER✔✔-ability to retain information over months/years
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, procedural memory - ANSWER✔✔-ability to remember sequences of actions needed to
complete the action
declarative memory - ANSWER✔✔-ability to remember facts
episodic memory - ANSWER✔✔-ability to recall specific and recent events
central nervous system - ANSWER✔✔-brain and spinal cord
- encased in bone
peripheral nervous system - ANSWER✔✔-spinal nerves and cranial nerves
- encased in soft tissue
- connects the rest of the body to the CNS
meninges (outermost to innermost) - ANSWER✔✔-dura mater (dense protective tissue
layer)
arachnoid mater (contains vascular supply to the surface of the brain
pia mater (most delicate innermost layer)
CSF & purpose - ANSWER✔✔-cerebrospinal fluid is housed in the ventricles within the
brain and delivers nutrients removes waste, and helps protect the brain from trauma
- produced in the choroid plexus
3 types of white matter tracts - ANSWER✔✔-association fibers
commissural fibers
projection fibers
association fibers - ANSWER✔✔-connects different structures/areas within a single
cerebral hemisphere
commissural fibers - ANSWER✔✔-connects analogous areas between 2 cerebral
hemispheres
projection fibers - ANSWER✔✔-projects from the brain to the spinal cord & transmits
motor movements from CNS to PNS and sensory info from PNS to CNS
COPYRIGHT © 2025 BY OLIVIA WEST, ALL RIGHTS RESERVED 2
Questions and Answers
speech - ANSWER✔✔-Sounds the mouth makes to produce words
language - ANSWER✔✔--Symbol set used to communicate meaning
-Usually verbal, written, or sign
cognition - ANSWER✔✔-ability to process thought
attention - ANSWER✔✔-ability to hold focus on stimuli
vigilence - ANSWER✔✔-ability to stay alert
sustained attention - ANSWER✔✔-ability to hold attention on aisngle stimulus
selective attention - ANSWER✔✔-ability to hold attention to a stimulus while ignoring
competing stimuli
alternating attention - ANSWER✔✔-ability to alternate attention back and forth beween
stimuli
divided attention - ANSWER✔✔-attending to one stimulus while simultaneously
attending to another
working memory - ANSWER✔✔-ability to hold finite amount of information for
immediate processing and manipulation
short-term memory - ANSWER✔✔-retention of information for 30 seconds up to a few
hours
long-term memory - ANSWER✔✔-ability to retain information over months/years
COPYRIGHT © 2025 BY OLIVIA WEST, ALL RIGHTS RESERVED 1
, procedural memory - ANSWER✔✔-ability to remember sequences of actions needed to
complete the action
declarative memory - ANSWER✔✔-ability to remember facts
episodic memory - ANSWER✔✔-ability to recall specific and recent events
central nervous system - ANSWER✔✔-brain and spinal cord
- encased in bone
peripheral nervous system - ANSWER✔✔-spinal nerves and cranial nerves
- encased in soft tissue
- connects the rest of the body to the CNS
meninges (outermost to innermost) - ANSWER✔✔-dura mater (dense protective tissue
layer)
arachnoid mater (contains vascular supply to the surface of the brain
pia mater (most delicate innermost layer)
CSF & purpose - ANSWER✔✔-cerebrospinal fluid is housed in the ventricles within the
brain and delivers nutrients removes waste, and helps protect the brain from trauma
- produced in the choroid plexus
3 types of white matter tracts - ANSWER✔✔-association fibers
commissural fibers
projection fibers
association fibers - ANSWER✔✔-connects different structures/areas within a single
cerebral hemisphere
commissural fibers - ANSWER✔✔-connects analogous areas between 2 cerebral
hemispheres
projection fibers - ANSWER✔✔-projects from the brain to the spinal cord & transmits
motor movements from CNS to PNS and sensory info from PNS to CNS
COPYRIGHT © 2025 BY OLIVIA WEST, ALL RIGHTS RESERVED 2
